Results 111 to 120 of about 12,282,130 (266)

Optimizing the Straight Leg Raise Maneuver to Improve Prediction of Conclusive Gastro‐Esophageal Reflux Disease

open access: yesNeurogastroenterology &Motility, EarlyView.
The SLR maneuver is a valuable component of GERD evaluation. By establishing optimal thresholds for both effective EGJ challenge and accurate GERD prediction, we provide another step for standardized implementation in clinical practice. ABSTRACT Background Gastroesophageal reflux disease (GERD) arises from dysfunction of the anti‐reflux barrier.
Stefano Siboni   +7 more
wiley   +1 more source

First-order regularity of convex functions on Carnot Groups [PDF]

open access: yes, 2018
We prove that h-convex functions on Carnot groups of step two are locally Lipschitz continuous with respect to any intrinsic metric. We show that an additional measurability condition implies the local Lipschitz continuity of h-convex functions on ...
Rickly, Matthieu
core  

Where Mathematical Symbols Come From

open access: yesTopics in Cognitive Science, EarlyView.
Abstract There is a sense in which the symbols used in mathematical expressions and formulas are arbitrary. After all, arithmetic would be no different if we would replace the symbols ‘+$+$’ or ‘8’ by different symbols. Nevertheless, the shape of many mathematical symbols is in fact well motivated in practice.
Dirk Schlimm
wiley   +1 more source

Some properties of H\"older surfaces in the Heisenberg group [PDF]

open access: yes, 2012
It is a folk conjecture that for alpha > 1/2 there is no alpha-Hoelder surface in the subRiemannian Heisenberg group. Namely, it is expected that there is no embedding from an open subset of R^2 into the Heisenberg group that is Hoelder continuous of ...
Donne, Enrico Le, Züst, Roger
core   +1 more source

Genetically determined Alzheimer's disease research advances: The Down Syndrome & Autosomal Dominant Alzheimer's Disease 2024 Conference

open access: yesAlzheimer's &Dementia, Volume 21, Issue 7, July 2025.
Abstract INTRODUCTION The Down syndrome‐associated Alzheimer's disease (DSAD) autosomal dominant Alzheimer's disease (ADAD) 2024 Conference in Barcelona, convened under an Alzheimer's Association International Society to Advance Alzheimer's Research and Treatment (ISTAART) grant through the Down syndrome and Alzheimer's disease (AD) Professional ...
Neus Falgàs   +58 more
wiley   +1 more source

Genome-wide association and Mendelian randomisation analysis provide insights into the pathogenesis of heart failure

open access: yesNature Communications, 2020
Heart failure is a complex syndrome that is associated with many different underlying risk factors. Here, to increase power, the authors jointly analyse cases of heart failure of different aetiologies in a genome-wide association study and identify 11 ...
Sonia Shah   +146 more
doaj   +1 more source

Impact of Alzheimer's disease on sleep in adults with Down syndrome

open access: yesAlzheimer's &Dementia, Volume 21, Issue 7, July 2025.
Abstract INTRODUCTION Down syndrome (DS) is a genetic form of Alzheimer's disease (AD), with a high prevalence of sleep disorders, but data in adults with DS and dementia are lacking. We aim to assess sleep in adults with DS across the AD continuum. METHODS We studied 78 healthy controls and 229 adults with DS (154 asymptomatic, 25 with prodromal AD ...
Sandra Giménez   +23 more
wiley   +1 more source

Application for Determining Repeatability and Reproducibility in an Honest Gauge R&R Study

open access: yesQuality and Reliability Engineering International, Volume 41, Issue 5, Page 1953-1970, July 2025.
ABSTRACT The analysis of variance (ANOVA) method and the range method are employed to conduct gauge repeatability and reproducibility studies. While the range method does not account for the statistical nature of the data, unlike the ANOVA method, it is, on the one hand, faster and, on the other hand, simpler to implement.
Alban Petitjean, Olivier Musset
wiley   +1 more source

Differential forms in Carnot groups: a variational approach

open access: yesBruno Pini Mathematical Analysis Seminar, 2011
Carnot groups (connected simply connected nilpotent stratified Lie groups) can be endowed with a complex of ``intrinsic'' differential forms. In this paper we want to provide an evidence of the intrinsic character of Rumin's complex, in the spirit of the
Annalisa Baldi
doaj  

X-states from a finite geometric perspective

open access: yesResults in Physics, 2021
It is found that 15 different types of two-qubit X-states split naturally into two sets (of cardinality 9 and 6) once their entanglement properties are taken into account.
Colm Kelleher   +3 more
doaj  

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